897135040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90437}}^1$

素因数の和:90485

約数の個数: 56

約数和(自身を含む): 2205240192

約数和(自身を除く): 1308105152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 90437, 180874, 361748, 452185, 723496, 904370, 1446992, 1808740, 2803547, 2893984, 3617480, 5607094, 5787968, 7234960, 11214188, 14017735, 14469920, 22428376, 28035470, 28939840, 44856752, 56070940, 89713504, 112141880, 179427008, 224283760, 448567520, 897135040]

約数ペア:

[(1, 897135040), (2, 448567520), (4, 224283760), (5, 179427008), (8, 112141880), (10, 89713504), (16, 56070940), (20, 44856752), (31, 28939840), (32, 28035470), (40, 22428376), (62, 14469920), (64, 14017735), (80, 11214188), (124, 7234960), (155, 5787968), (160, 5607094), (248, 3617480), (310, 2893984), (320, 2803547), (496, 1808740), (620, 1446992), (992, 904370), (1240, 723496), (1984, 452185), (2480, 361748), (4960, 180874), (9920, 90437)]